#B1E228#B1E228

#B1E228 is a very light, highly saturated yellow-green. Relative luminance 0.639; OKLCH L 84.8% C 0.202 H 124.4°. Best body text is #000000 at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#B1E228
RGB	rgb(177, 226, 40)
HSL	hsl(76, 76%, 52%)
HSV	hsv(76, 82%, 89%)
CMYK	cmyk(21.7%, 0%, 82.3%, 11.4%)
CIE-LAB	lab(83.91, -38.90, 76.55)
CIE-LCH	lch(83.91, 85.87, 116.94°)
OKLab	oklab(84.81% -0.114 0.1664)
OKLCH	oklch(84.81% 0.202 124.4)
XYZ	xyz(45.7114, 63.8925, 11.9313)
Luminance	0.6389 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E228 #5928E2

analogous

#E2B628 #B1E228 #54E228

triadic

#B1E228 #28B1E2 #E228B1

tetradic

#B1E228 #28E2B6 #5928E2 #E22854

square

#B1E228 #28E2B6 #5928E2 #E22854

split-complementary

#B1E228 #2854E2 #B628E2

monochromatic

#627F11 #8BB418 #B1E228 #C5E95E #D8F194

Accessibility & contrast

On white

1.52

#B1E228 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.78

#B1E228 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E228

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E228	#FFFFFF	#000000	##000000
##B1E228	1.00	1.52	13.78	13.78
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.78	21.00	1.00	1.00
##000000	13.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD300

Deuteranopia (green-blind)

#E9D13E

Tritanopia (blue-blind)

#BAD7C1

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #b1e228;
/* rgb */ color: rgb(177, 226, 40);
/* oklch */ color: oklch(84.8% 0.202 124.4);

Tailwind

colors: {
  custom: {
    50: '#cdeb75',
    500: '#b1e228',
    950: '#000000',
  },
}

SCSS

$custom: #b1e228;
$custom-light: #cdeb75;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e228",
  "rgb": {
    "r": 177,
    "g": 226,
    "b": 40
  },
  "hsl": {
    "h": 75.806,
    "s": 76.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.84813,
    "c": 0.2017,
    "h": 124.4
  },
  "luminance": 0.63893
}

Semantic roles & 50–950 ramp

primary

#B1E228

secondary

#412986

accent

#35F367

background

#FEFEFB

surface

#FBFDF1

border

#D4D5CB

text

#141609

muted

#83847D

Preview Lab

Preview with #B1E228

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →